For-profit conversion and merger trends among Blue Cross Blue Shield health plans.
D054598:Blue Cross Blue Shield Insurance Plans / Q000458:organization & administration*; D003159:Community-Institutional Relations; D004465:Economic Competition; D017598:Efficiency, Organizational; D005544:Forecasting; D006269:Health Facilities, Proprietary / Q000191:economics* / Q000639:trends; D006273:Health Facility Merger / Q000191:economics* / Q000639:trends; D006291:Health Policy / Q000191:economics / Q000639:trends; D006801:Humans; D007343:Insurance Carriers / Q000191:economics* / Q000639:trends; D009939:Organizations, Nonprofit / Q000191:economics* / Q000639:trends; D010067:Ownership; D015983:Selection Bias; D014481:United States